ALPINESTARS SMX Plus V2 Goretex racing boots Black, 37

Features: - Main upper material constructed from advanced microfiber for durability and abrasion resistance, plus a waterproof and highly breathable Gore-Tex lining for excellent all-weather performance. - Alpinestars Lace-Lock system constructed from an advanced polymer resin to guarantee quick, precise and secure closure. - Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility. - Front flex area is constructed with a soft microfiber for improved abrasion resistance and natural forward and back movement. - Flexible accordion microfiber on Achilles gives enhanced natural suppleness. - Strategically positioned ventilation area in heel and shin TPU for breathability and airflow. - Outside entry/exit has stretchable accordion panel for a close fit and ease of entry and removal. - Contoured high modulus shin plate protector gives superior impact and abrasion resistance. - New Alpinestars unique Multi-Link Control system provides advanced external protection and support for ankle articulation, limiting hyper-torsion, hyper-extension and hyper-flexion as well as providing Achilles and ankle impact protection. - Lateral laser ventilation improves breathability for optimum comfort. - Dual density TPU replaceable toe slider with screw-in assembly provides protective coverage around the outer toe area. - TPU heel protector are positioned to dissipate and absorb shocks and allow sliding during an accident. - Large front and rear accordion zones are optimized to maximize flexibility for supreme comfort and improved safety. - Lateral micro adjustable ratchet top closure stows tab end. - Alpinestars anatomical and replaceable countered EVA footbed provides arch support and forefoot pedal feeling. - Durable sole, designed for improved riding feel, features evenly textured rubber for consistent grip. - Inner instep speed lacing closure and unique lateral zipper offer precise and secure fit. - Hook and loop tab locks the zip pull closed, keeping it flat and safe.